Tenda AC18 setsambacfg formSetSambaConf os command injection
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-78.
Summary
A vulnerability classified as critical has been found in Tenda AC18 15.03.05.05. Affected is the function formSetSambaConf of the file /goform/setsambacfg. The manipulation of the argument usbName leads to os command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-257778 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Tenda | AC18 | 15.03.05.05 | — | No fix listed | CNA |
- AC18 VendorTenda Affected 15.03.05.05 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-2854
- 2026-10-03 Alias added: GHSA-j78r-c5c3-fxff
- 2026-10-11 EPSS moved to the 90th–95th percentile
References
More Tenda Ac18 Firmware vulnerabilities
- TI-2024-37948 Tenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the startIP… CVSS 3.1CRITICAL 9.8
- TI-2024-37947 Tenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the firewallEn… CVSS 3.1CRITICAL 9.8
- TI-2024-37946 Tenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the devName… CVSS 3.1CRITICAL 9.8
- TI-2024-37945 Tenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the limitSpeedUp… CVSS 3.1CRITICAL 9.8
- TI-2024-37942 Tenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the ssid parameter… CVSS 3.1CRITICAL 9.8
- TI-2024-22327 Tenda AC18 V15.03.05.05 has a stack overflow vulnerability in the remoteIp parameter from formSetSafeWanWebMan function. CVSS 3.1CRITICAL 9.8
Sources
- CVE-2024-2854 · CVE Program
- CVE-2024-2854 · NVD
- FIRST EPSS
- GHSA-j78r-c5c3-fxff · GitHub Advisory Database · CC BY 4.0
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